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<HEAD>

    <TITLE>JHU/APL Auroral Oval Boundary</TITLE>

    <META NAME="Copyright" CONTENT="Copyright 2000 Johns Hopkins University Applied Physics Laboratory"/>

    <META NAME="Date" CONTENT="21 February 2000"/>

    <META NAME="Author" CONTENT="J. P. Skura"/>


  

  

    

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<H2>Current OVATION Boundary Information</H2><BR>
<PRE>
30 Jul 1997 13:51:56 yearsecs  18193916
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.11  231.07  -52.77  147.47
    1.00  -66.24  246.07  -54.68  157.64
    2.00  -67.01  261.07  -57.52  167.44
    3.00  -67.77  276.07  -60.69  177.11
    4.00  -67.33  291.07  -63.24  188.33
    5.00  -67.92  306.07  -67.12  198.59
    6.00  -67.76  321.07  -70.70  211.29
    7.00  -68.07  336.07  -74.76  225.65
    8.00  -68.90  351.07  -79.09  243.58
    9.00  -69.24    6.07  -82.24  275.00
   10.00  -69.01   21.07  -82.26  321.54
   11.00  -68.82   36.07  -79.28  357.05
   12.00  -68.85   51.07  -75.29   19.05
   13.00  -69.11   66.07  -71.37   35.20
   14.00  -69.59   81.07  -67.87   48.96
   15.00  -70.30   96.07  -64.94   61.43
   16.00  -71.00  111.07  -62.48   72.55
   17.00  -71.21  126.07  -60.16   82.13
   18.00  -71.34  141.07  -58.37   91.27
   19.00  -70.72  156.07  -56.38   99.86
   20.00  -69.88  171.07  -54.64  108.71
   21.00  -69.08  186.07  -53.42  117.91
   22.00  -68.41  201.07  -52.89  127.35
   23.00  -67.36  216.07  -52.63  137.12
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.11  231.07  -57.42  145.15
    1.00  -72.21  246.07  -60.06  153.41
    2.00  -72.99  261.07  -62.74  161.47
    3.00  -78.28  276.07  -69.24  160.61
    4.00  -80.18  291.07  -72.70  161.24
    5.00  -80.55  306.07  -75.22  163.86
    6.00  -79.87  321.07  -77.60  169.57
    7.00  -79.11  336.07  -80.35  174.89
    8.00  -79.05  351.07  -83.29  171.94
    9.00  -79.05    6.07  -85.80  153.73
   10.00  -78.88   21.07  -86.46  107.25
   11.00  -78.92   36.07  -84.14   79.18
   12.00  -79.17   51.07  -81.00   74.61
   13.00  -78.98   66.07  -77.81   73.99
   14.00  -78.82   81.07  -74.66   76.78
   15.00  -78.63   96.07  -71.71   81.08
   16.00  -78.50  111.07  -69.10   86.43
   17.00  -78.30  126.07  -66.84   92.21
   18.00  -79.29  141.07  -66.11  100.09
   19.00  -79.49  156.07  -65.13  106.62
   20.00  -78.67  171.07  -63.53  112.60
   21.00  -76.84  186.07  -61.28  119.11
   22.00  -74.10  201.07  -58.56  126.91
   23.00  -72.36  216.07  -57.45  135.74
</PRE>


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